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Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/autoprobe.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 98d62d8efea..3467097ca61 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -9,6 +9,7 @@
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/interrupt.h>
+#include <linux/delay.h>
/*
* Autodetection depends on the fact that any interrupt that
@@ -26,7 +27,7 @@ static DECLARE_MUTEX(probe_sem);
*/
unsigned long probe_irq_on(void)
{
- unsigned long val, delay;
+ unsigned long val;
irq_desc_t *desc;
unsigned int i;
@@ -45,8 +46,7 @@ unsigned long probe_irq_on(void)
}
/* Wait for longstanding interrupts to trigger. */
- for (delay = jiffies + HZ/50; time_after(delay, jiffies); )
- /* about 20ms delay */ barrier();
+ msleep(20);
/*
* enable any unassigned irqs
@@ -68,8 +68,7 @@ unsigned long probe_irq_on(void)
/*
* Wait for spurious interrupts to trigger
*/
- for (delay = jiffies + HZ/10; time_after(delay, jiffies); )
- /* about 100ms delay */ barrier();
+ msleep(100);
/*
* Now filter out any obviously spurious interrupts